Allow to share images when reading online. Move chapter cache to external cache dir. Dependency updates.

app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt

@@ -2,8 +2,8 @@ package eu.kanade.tachiyomi.data.cache
 
 import android.content.Context
 import android.text.format.Formatter
+import com.github.salomonbrys.kotson.fromJson
 import com.google.gson.Gson
-import com.google.gson.reflect.TypeToken
 import com.jakewharton.disklrucache.DiskLruCache
 import eu.kanade.tachiyomi.data.source.model.Page
 import eu.kanade.tachiyomi.util.DiskUtil
@@ -11,9 +11,9 @@ import eu.kanade.tachiyomi.util.saveTo
 import okhttp3.Response
 import okio.Okio
 import rx.Observable
+import uy.kohesive.injekt.injectLazy
 import java.io.File
 import java.io.IOException
-import java.lang.reflect.Type
 
 /**
  * Class used to create chapter cache
@@ -26,15 +26,6 @@ import java.lang.reflect.Type
  */
 class ChapterCache(private val context: Context) {
 
-    /** Google Json class used for parsing JSON files.  */
-    private val gson: Gson = Gson()
-
-    /** Cache class used for cache management.  */
-    private val diskCache: DiskLruCache
-
-    /** Page list collection used for deserializing from JSON.  */
-    private val pageListCollection: Type = object : TypeToken<List<Page>>() {}.type
-
     companion object {
         /** Name of cache directory.  */
         const val PARAMETER_CACHE_DIRECTORY = "chapter_disk_cache"
@@ -49,38 +40,37 @@ class ChapterCache(private val context: Context) {
         const val PARAMETER_CACHE_SIZE = 75L * 1024 * 1024
     }
 
-    init {
-        // Open cache in default cache directory.
-        diskCache = DiskLruCache.open(
-                File(context.cacheDir, PARAMETER_CACHE_DIRECTORY),
-                PARAMETER_APP_VERSION,
-                PARAMETER_VALUE_COUNT,
-                PARAMETER_CACHE_SIZE)
-    }
+    /** Google Json class used for parsing JSON files.  */
+    private val gson: Gson by injectLazy()
+
+    /** Cache class used for cache management.  */
+    private val diskCache = DiskLruCache.open(
+            File(context.externalCacheDir, PARAMETER_CACHE_DIRECTORY),
+            PARAMETER_APP_VERSION,
+            PARAMETER_VALUE_COUNT,
+            PARAMETER_CACHE_SIZE)
 
     /**
      * Returns directory of cache.
-     * @return directory of cache.
      */
     val cacheDir: File
         get() = diskCache.directory
 
     /**
      * Returns real size of directory.
-     * @return real size of directory.
      */
     private val realSize: Long
         get() = DiskUtil.getDirectorySize(cacheDir)
 
     /**
      * Returns real size of directory in human readable format.
-     * @return real size of directory.
      */
     val readableSize: String
         get() = Formatter.formatFileSize(context, realSize)
 
     /**
      * Remove file from cache.
+     *
      * @param file name of file "md5.0".
      * @return status of deletion for the file.
      */
@@ -101,6 +91,7 @@ class ChapterCache(private val context: Context) {
 
     /**
      * Get page list from cache.
+     *
      * @param chapterUrl the url of the chapter.
      * @return an observable of the list of pages.
      */
@@ -111,13 +102,14 @@ class ChapterCache(private val context: Context) {
 
             // Convert JSON string to list of objects. Throws an exception if snapshot is null
             diskCache.get(key).use {
-                gson.fromJson(it.getString(0), pageListCollection)
+                gson.fromJson<List<Page>>(it.getString(0))
             }
         }
     }
 
     /**
      * Add page list to disk cache.
+     *
      * @param chapterUrl the url of the chapter.
      * @param pages list of pages.
      */
@@ -151,7 +143,8 @@ class ChapterCache(private val context: Context) {
     }
 
     /**
-     * Check if image is in cache.
+     * Returns true if image is in cache.
+     *
      * @param imageUrl url of image.
      * @return true if in cache otherwise false.
      */
@@ -164,22 +157,20 @@ class ChapterCache(private val context: Context) {
     }
 
     /**
-     * Get image path from url.
+     * Get image file from url.
+     *
      * @param imageUrl url of image.
      * @return path of image.
      */
-    fun getImagePath(imageUrl: String): File? {
-        try {
-            // Get file from md5 key.
-            val imageName = DiskUtil.hashKeyForDisk(imageUrl) + ".0"
-            return File(diskCache.directory, imageName)
-        } catch (e: IOException) {
-            return null
-        }
+    fun getImageFile(imageUrl: String): File {
+        // Get file from md5 key.
+        val imageName = DiskUtil.hashKeyForDisk(imageUrl) + ".0"
+        return File(diskCache.directory, imageName)
     }
 
     /**
      * Add image to cache.
+     * 
      * @param imageUrl url of image.
      * @param response http response from page.
      * @throws IOException image error.

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadProvider.kt

@@ -41,8 +41,8 @@ class DownloadProvider(private val context: Context) {
      */
     internal fun getMangaDir(source: Source, manga: Manga): UniFile {
         return downloadsDir
-                .subFile(getSourceDirName(source))!!
-                .subFile(getMangaDirName(manga))!!
+                .createDirectory(getSourceDirName(source))
+                .createDirectory(getMangaDirName(manga))
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt

@@ -247,7 +247,7 @@ class Downloader(private val context: Context, private val provider: DownloadPro
     private fun downloadChapter(download: Download): Observable<Download> {
         val chapterDirname = provider.getChapterDirName(download.chapter)
         val mangaDir = provider.getMangaDir(download.source, download.manga)
-        val tmpDir = mangaDir.subFile("${chapterDirname}_tmp")!!
+        val tmpDir = mangaDir.createDirectory("${chapterDirname}_tmp")
 
         val pageListObservable = if (download.pages == null) {
             // Pull page list from network and add them to download object
@@ -262,8 +262,6 @@ class Downloader(private val context: Context, private val provider: DownloadPro
 
         return pageListObservable
                 .doOnNext { pages ->
-                    tmpDir.ensureDir()
-
                     // Delete all temporary (unfinished) files
                     tmpDir.listFiles()
                             ?.filter { it.name!!.endsWith(".tmp") }

app/src/main/java/eu/kanade/tachiyomi/data/source/online/OnlineSource.kt

@@ -417,7 +417,7 @@ abstract class OnlineSource() : Source {
                     }
                 }
                 .doOnNext {
-                    page.uri = Uri.fromFile(chapterCache.getImagePath(imageUrl))
+                    page.uri = Uri.fromFile(chapterCache.getImageFile(imageUrl))
                     page.status = Page.READY
                 }
                 .doOnError { page.status = Page.ERROR }